kernel-packages team mailing list archive

[Fabien <fabien@xxxxxxxxxx>]

Public bug reported:

Having tried all the kernel options suggested on the page
https://wiki.ubuntu.com/Kernel/Debugging/Backlight I never saw the
backlight files under /sys/class/backlight and the function keys are not
working.

See below some info on my environment and all the degug info as per
requested in the above mentioned wiki in the attached file.

Regards,
Fabien

$ uname -a
Linux HPMATE 3.16.0-33-generic #44~14.04.1-Ubuntu SMP Fri Mar 13 10:33:29 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux

Kernel option from Grub : none

$ ll /sys/class/backlight
total 0
drwxr-xr-x  2 root root 0 mai   25 09:38 ./
drwxr-xr-x 55 root root 0 mai   25 09:38 ../

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-image-3.16.0-33-generic 3.16.0-33.44~14.04.1
ProcVersionSignature: Ubuntu 3.16.0-33.44~14.04.1-generic 3.16.7-ckt7
Uname: Linux 3.16.0-33-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.20
Architecture: amd64
CurrentDesktop: MATE
Date: Wed May 25 09:50:46 2016
InstallationDate: Installed on 2016-05-21 (4 days ago)
InstallationMedia: Ubuntu MATE 14.04.2 "Trusty Tahr" - LTS amd64 (20150323)
SourcePackage: linux-lts-utopic
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: linux-lts-utopic (Ubuntu)
     Importance: Undecided
         Status: New

** Attachment added: "backlight_debug_info.tar.gz"
   https://bugs.launchpad.net/bugs/1585523/+attachment/4669983/+files/backlight_debug_info.tar.gz

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux-lts-utopic in Ubuntu.
https://bugs.launchpad.net/bugs/1585523

Title:
  backlight issue with HP Envy 17 under Ubuntu 14.04

Status in linux-lts-utopic package in Ubuntu:
  New

Bug description:
  Having tried all the kernel options suggested on the page
  https://wiki.ubuntu.com/Kernel/Debugging/Backlight I never saw the
  backlight files under /sys/class/backlight and the function keys are
  not working.

  See below some info on my environment and all the degug info as per
  requested in the above mentioned wiki in the attached file.

  Regards,
  Fabien

  $ uname -a
  Linux HPMATE 3.16.0-33-generic #44~14.04.1-Ubuntu SMP Fri Mar 13 10:33:29 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux

  Kernel option from Grub : none

  $ ll /sys/class/backlight
  total 0
  drwxr-xr-x  2 root root 0 mai   25 09:38 ./
  drwxr-xr-x 55 root root 0 mai   25 09:38 ../

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.16.0-33-generic 3.16.0-33.44~14.04.1
  ProcVersionSignature: Ubuntu 3.16.0-33.44~14.04.1-generic 3.16.7-ckt7
  Uname: Linux 3.16.0-33-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.20
  Architecture: amd64
  CurrentDesktop: MATE
  Date: Wed May 25 09:50:46 2016
  InstallationDate: Installed on 2016-05-21 (4 days ago)
  InstallationMedia: Ubuntu MATE 14.04.2 "Trusty Tahr" - LTS amd64 (20150323)
  SourcePackage: linux-lts-utopic
  UpgradeStatus: No upgrade log present (probably fresh install)

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